Invention Grant
- Patent Title: Method for preparing polyesters
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Application No.: US16630943Application Date: 2017-07-17
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Publication No.: US12104013B2Publication Date: 2024-10-01
- Inventor: Eckhard Seidel , Rainer Linke
- Applicant: TECHNIP ZIMMER GMBH
- Applicant Address: DE Frankfurt am Main
- Assignee: Technip Zimmer GMBH
- Current Assignee: Technip Zimmer GMBH
- Current Assignee Address: DE Frankfurt am Main
- Agency: Locke Lord LLP
- Agent Nicholas J. DiCeglie, Jr.; Gabrielle L. Gelozin
- International Application: PCT/EP2017/068057 2017.07.17
- International Announcement: WO2019/015745A 2019.01.24
- Date entered country: 2020-01-14
- Main IPC: C08G63/85
- IPC: C08G63/85 ; C08G63/183 ; C08K3/34
Abstract:
The present application relates to a process for preparing polyesters comprising reacting a dicarboxylic acid with butanediol in the presence of a catalyst, wherein in the process an aluminosilicate is present, as well as the use of aluminosilicates in such a process.
Public/Granted literature
- US20200157277A1 METHOD FOR PREPARING POLYESTERS Public/Granted day:2020-05-21
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